Q: Is 28,368,520 a Composite Number?

Why is 28,368,520 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 28,368,520 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 76 95 152 163 190 229 326 380 458 652 760 815 916 1,145 1,304 1,630 1,832 2,290 3,097 3,260 4,351 4,580 6,194 6,520 8,702 9,160 12,388 15,485 17,404 21,755 24,776 30,970 34,808 37,327 43,510 61,940 74,654 87,020 123,880 149,308 174,040 186,635 298,616 373,270 709,213 746,540 1,418,426 1,493,080 2,836,852 3,546,065 5,673,704 7,092,130 14,184,260 and 28,368,520, with no remainder.

Since 28,368,520 cannot be divided by just 1 and 28,368,520, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).